Maddala, G. S <br/><br/>
Introduction to econometrics 
/ by G.S. Maddal  
 - New York:  Macmillan publishing company,  1989. 
 - xvii,472p. 
<br/><br/><label>ISBN: </label>0029460468 
<br/><br/><label>Dewey Class. No.: </label>330.015  / MAD/I